CVE-2025-43992 — Geo Replication. An Unauthenticated Attacker With Remote Acc Authentication Bypass

CVE-2025-43992 — Geo Replication. An Unauthenticated Attacker With Remote Acc Authentication Bypass

CVE-2025-43992 — Dell ECS versions 3.8.1.0 through 3.8.1.7 and Dell ObjectScale versions prior to 4.3.0.0, contains an authentication bypass by assumed-immutable data vulnerability in Geo replication. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leadin

What This Means For You

  • If your environment is affected by CWE-302, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2025-43992 updates and patches.

Related ATT&CK Techniques

🛡️ Detection Rules

3 rules · 6 SIEM formats

3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.

critical T1190 Initial Access

Unauthenticated Geo Replication Access Attempt — CVE-2025-43992

Sigma YAML — free preview
title: Unauthenticated Geo Replication Access Attempt — CVE-2025-43992
id: scw-2026-05-11-ai-1
status: experimental
level: critical
description: |
  Detects attempts to access the Geo Replication status endpoint without authentication, which is the core of the authentication bypass vulnerability in Dell ECS and ObjectScale. This indicates an attacker attempting to exploit CVE-2025-43992 for unauthorized access.
author: SCW Feed Engine (AI-generated)
date: 2026-05-11
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2025-43992/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri|contains:
          - '/geo-replication/status'
      cs-method:
          - 'GET'
      sc-status:
          - '200'
  condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse

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Indicators of Compromise

IDTypeIndicator
CVE-2025-43992 vulnerability CVE-2025-43992
CWE-302 weakness CWE-302
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedMay 11, 2026 at 13:16 UTC

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